-MOTOR DE PASSO
Motor de passo ideal(4kgf/cm de torque) - 17hs4401 https://produto.mercadolivre.com.br/MLB-1004528279-kit-2-x-motor-de-passo-nema-174-kgfcm-17hs440142bygh-imp-_JM
-SUPORTE PARA MOTOR DE PASSO
Suporte para motor de passo - https://produto.mercadolivre.com.br/MLB-867787363suporte-motor-de-passo-nema-17-90-_JM
-ACOPLADOR
Acoplador hex 5mm https://pt.aliexpress.com/item/Hex-coupling-coupler-Hexagonconnector-copper-product-length30mm-6-mm-5mm-4-mm-3mm-wheel-motor/32386381360.html?
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-RODAS
Rodas - https://pt.aliexpress.com/item/4PCS-Lot-80mm-Rubber-Skin-Tires-for-1-16-RCModel-Cars-Hexagon-Hole-Robot-Wheels/32841484960.html?
spm=a2g03.search0204.3.153.7c077b75D7bZep&ws_ab_test=searchweb0_0,searchweb201602_2
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ou
https://pt.aliexpress.com/item/4pcs-2wd-4wd-car-wheel-with-Diameter-85mm-width38mm-tire-tyre-bearing-wheel-robot-part/32623364901.html?
spm=a2g03.search0204.3.70.b3f55afdcf0Jjg&ws_ab_test=searchweb0_0,searchweb201602_2_
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0698_5722615_10696_10084_10083_10618_10307_5722715_5711215_10059_308_100031_522_101
03_10624_10623_10622_5711315_5722515_10621_10620,searchweb201603_36,ppcSwitch_3_ppc
Channel&algo_expid=cb7b36d5-c773-4f87-bfb4-2827c92eeb86-1&algo_pvid=cb7b36d5-c7734f87-bfb4-2827c92eeb86&priceBeautifyAB=0
-BATERIA
https://produto.mercadolivre.com.br/MLB-964631332-kit-02-unid-bateria-lipo-111v-3s25c-2200mah-_JM
-MOTOR DC (OPCIONALMENTE)
Caso fique muito caro trabalhar com motores de passo, sugiro o motor dc a seguir:
Opção interessante com motor DC - https://produto.mercadolivre.com.br/MLB1013345115-roda-motor-dc-3-a-9v-com-reduco-77rpm-robotica-arduino-_JM
Com esse motor dc, minha bateria de 7.4V já serviria. Um ponto a menos para gastar.